TITLE:
Vulnerability Assessment Using Raster Calculation and DRASTIC Model for the Jordan Valley Subsurface Basin (AB1) Imaging Maps
AUTHORS:
Atallah M. Al-Shatnawi, Rabah Al-Shboul, Bader M. Al-Fawwaz, Wafa Al-Sharafat, Refaat M. Bani Khalf
KEYWORDS:
Aquifer Vulnerability, DRASTIC, Imaging Map, Dead Sea, Wadi Shueib, Jordan Valley
JOURNAL NAME:
Journal of Geographic Information System,
Vol.6 No.6,
November
18,
2014
ABSTRACT: The vulnerability to
pollution of the area between Wadi Shueib and the Dead Sea in the Jordan Valley
(AB1) subsurface basis was assessed and evaluated using raster calculation and
DRASTIC model for imaging maps in this research. The seven DRASTIC model
parameters are: Depth to water, net Recharge, Aquifer media, Soil media,
Topography, Impact of vadose zone and Hydraulic conductivity. The seven variables
are evaluated by the rating and the weighting numerical indexes. The
vulnerability parameters are categorized depending on a fixed interval of
suburban area percentage. It showed that the ABI Subsurface was categorized by
high vulnerability classes while the middle and western parts were categorized
by high to extreme vulnerability classes. The southern part of the AB1
displayed low aquifer vulnerability. The vulnerability map shows the high risk
suffered by the middle and western parts of the AB1 Subbasin due to the high
possibility pollution of intensive fruit and vegetable cultivation.